TBI question

Discussion in 'Chevy C/K Truck Forum' started by Sweetnomad, Sep 6, 2013.

  1. Sweetnomad

    Sweetnomad New Member

    Has anybody ever torn down a TBI assy and found it not to have the metal backing rings below the large upper O rings ?? I tore mine down this evening and mine were missing. Also the front mounting tab was broken on the injector housing as to where it mounts in the throttle body housing. What issues if any do you think this will cause ?

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